Thick-wall light guide structure for realizing functions of surface light-emitting atmosphere lamp and other lamps

Abstract

The utility model discloses a thick-wall light guide structure for realizing the functions of a surface-emitting atmosphere lamp and other lamps, which comprises a thick-wall light guide piece, a light source and a reflecting mirror, and the reflecting mirror is arranged below the light source and positioned beside the thick-wall light guide piece; the thick-wall light guide piece comprises a transverse thick-wall light guide part, a vertical thick-wall light guide plate integrally formed at the lower end of the transverse thick-wall light guide part and an atmosphere lamp thick-wall light guide part integrally formed at the upper end of the transverse thick-wall light guide part, and a first emergent optical surface used for achieving other lamp functions is arranged on the left side of the transverse thick-wall light guide part; a first reflection optical surface which is obliquely distributed is arranged on the left side of the atmosphere lamp thick-wall light guide part, is positioned above the vertical thick-wall light guide plate and is used for refracting / reflecting light rays emitted into the atmosphere lamp thick-wall light guide part to the vertical thick-wall light guide plate; the right side face of the vertical thick-wall light guide plate is provided with a patterned optical face used for reflecting and refracting incident light to the left side face, and the left side face of the vertical thick-wall light guide plate serves as an atmosphere lamp light-emitting face.

Description

TECHNICAL FIELD

[0001] The utility model relates to car lamp product technical field, especially to a kind of thick-wall light guide structure for realizing surface light emitting atmosphere lamp and other lamp function. BACKGROUND

[0002] With the higher and higher requirements of people to the appearance of car, more and more car lamps require to increase large area to realize surface light emitting effect atmosphere lamp function, but at the same time, due to the need of car body sheet metal and modeling and fierce competition, the requirement of lamp space size is also higher and higher, which requires high integration and compact structure to realize these functions.

[0003] The Chinese utility model patent with the authorization announcement number CN207394719U discloses a thick-wall light guide structure of automobile front grille atmosphere lamp, which comprises a thick-wall light guide element, an LED lamp, a circuit board and a thick-wall light guide structure. The thick-wall light guide structure comprises the thick-wall light guide element, the LED lamp and the circuit board. The circuit board is installed directly below the thick-wall light guide element. The thick-wall light guide element is provided with a diffusion pattern surface at the front end. The thick-wall light guide element is provided with a micro-structure reflection surface at the back. The thick-wall light guide element is provided with a hollow surface at the corresponding position of the LED lamp. The light in the central area can be diffused at a certain angle according to the light emitting angle characteristics of the LED lamp, and the light in the two side areas is collimated, so that the thick-wall light guide element has uniform incident light in the light emitting area. The hollow surface at the middle position of the thick-wall light guide element can collimate the light diffused by the reflection surface, so that the thick-wall light guide element has uniform direct light in the entire light emitting area. The thickness of the thick-wall light guide element and the number of LED lamps can be appropriately reduced to obtain ideal lighting effect and reduce cost.

[0004] The thick-wall light guide structure cannot realize surface light emission, which cannot meet the use requirements of atmosphere lamps that require surface light emission effect. In addition, the thick-wall light guide structure can only realize the light emission requirements of atmosphere lamps, and cannot realize other lamp functions at the same time, that is, it cannot meet the use requirements of realizing two different lamp functions at the same time.

[0005] Therefore, the present inventors propose the following technical scheme. UTILITY MODEL CONTENTS

[0006] The utility model aims at overcoming the defects of the prior art, and provides a thick-wall light guide structure for realizing surface light emitting atmosphere lamp and other lamp function.

[0007] In order to solve the above technical problems, the utility model adopts the following technical scheme: the thick wall light guide structure of the realization surface light atmosphere lamp and other lamp function includes thick wall light guide piece, light source, reflector, the reflector is arranged below the light source and is located thick wall light guide piece side, and is used for reflecting the light of light source to thick wall light guide piece, the thick wall light guide piece includes horizontal thick wall light guide part and integrally formed in the vertical thick wall light guide board of horizontal thick wall light guide part lower end and is used for realizing surface light and integrally formed in the atmosphere lamp thick wall light guide part of horizontal thick wall light guide part upper end and is convex upwards, the first exit optical surface for realizing other lamp function is arranged on the left side of the horizontal thick wall light guide part, the first reflection optical surface of oblique distribution is arranged on the left side of the atmosphere lamp thick wall light guide part, the first reflection optical surface is located above the vertical thick wall light guide board, and is used for refracting / reflecting the light of the atmosphere lamp thick wall light guide part to the vertical thick wall light guide board, and the right side of the vertical thick wall light guide board is provided with the pattern optical surface for the light of reflection and refraction to the left side, and the left side of the vertical thick wall light guide board is used as atmosphere lamp light exit surface.

[0008] Further, in the above technical solution, the thick wall light guide piece is T-shaped or T-like.

[0009] Further, in the above technical solution, the right side of the atmosphere lamp thick wall light guide part is flush with the right side of the horizontal thick wall light guide part and faces the reflector.

[0010] Further, in the above technical solution, the right side of the atmosphere lamp thick wall light guide part is flush with the right side of the horizontal thick wall light guide part and faces the reflector.

[0011] Further, in the above technical solution, the first reflection optical surface is a reflection plane, and an electroplated aluminum reflection layer is electroplated on the reflection plane; or the first reflection optical surface is a plurality of obliquely and continuously distributed total reflection tooth groove surfaces, and an electroplated aluminum reflection layer is electroplated on the total reflection tooth groove surfaces.

[0012] Further, in the above technical solution, the first exit optical surface includes a plurality of convex blocks that are arrayed and have convex arc surfaces, each row of convex blocks is distributed in a stepped manner, and each column of convex blocks is also distributed in a stepped manner.

[0013] Further, in the above technical solution, the pattern optical surface includes a plurality of recesses that are arrayed on the right side of the vertical thick wall light guide board and a reflection layer that is disposed on the right side of the vertical thick wall light guide board and extends to the recess walls.

[0014] Further, in the above technical solution, the plurality of mirrors are connected together to form an integral whole, and each mirror corresponds to a light source.

[0015] Further, in the above technical solution, the light source is an LED light source.

[0016] Further, in the above technical solution, the reflecting surface of the mirror is a smooth arc surface; or the reflecting surface of the mirror is an arc-shaped groove formed by a plurality of reflecting facets.

[0017] After the above technical solution is adopted, the thick-walled light guide member in the utility model can divide the light reflected and collimated by the mirror into horizontal light and vertical light, the vertical light realizes the atmosphere lamp function of surface light emission after being diffused by the patterned optical surface of the vertical thick-walled light guide plate, and the horizontal light realizes the composite main function (such as turning, braking and position functions) after being diffused by the patterned refraction of the first exit optical surface, that is, the utility model realizes two functions by the same set of light source and optical structure of the thick-walled light guide member, saves the space of the lamp and reduces the material cost of the lamp. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 is a perspective view of the utility model;

[0019] Fig. 2 is a perspective view of another view of the utility model;

[0020] Fig. 3 is a light propagation state diagram of the utility model. DETAILED DESCRIPTION

[0021] The utility model is further described below in combination with specific embodiments and drawings.

[0022] As shown in Figs. 1-3 The thick-walled light guide structure for realizing surface light emission atmosphere lamp and other lamp functions includes a thick-walled light guide member 1, a light source 2 and a mirror 3, the mirror 3 is arranged below the light source 2 and is located on the side of the thick-walled light guide member 1, and is used for reflecting the light emitted by the light source 2 to the thick-walled light guide member 1, wherein the mirror 3 is located on the right side of the thick-walled light guide member 1, and a gap is formed between them.

[0023] The thick-wall light guide 1 comprises a transverse thick-wall light guide part 11, a vertical thick-wall light guide plate 12 integrally formed at the lower end of the transverse thick-wall light guide part 11 and used for realizing surface light emission, and an ambient light thick-wall light guide part 13 integrally formed at the upper end of the transverse thick-wall light guide part 11 and protruding upward, wherein the left side of the transverse thick-wall light guide part 11 is provided with a first exit optical surface 111 used for realizing other lamp functions, and the left side of the ambient light thick-wall light guide part 13 is provided with a first reflective optical surface 131 distributed in an inclined manner, which is located above the vertical thick-wall light guide plate 12 and used for reflecting / refracting the light rays entering the ambient light thick-wall light guide part 13 to the vertical thick-wall light guide plate 12, and the right side of the vertical thick-wall light guide plate 12 is provided with a patterned optical surface 121 used for reflecting / refracting the entering light rays to the left side, and the left side of the vertical thick-wall light guide plate 12 serves as an ambient light exit surface 120. In operation, the light rays emitted by the light source 2 enter the thick-wall light guide 1 after being reflected and collimated by the reflector 3, wherein part of the light rays enter the ambient light thick-wall light guide part 13, and the light rays are totally reflected by the first reflective optical surface 131 to the vertical thick-wall light guide plate 12 after passing through the ambient light thick-wall light guide part 13, the vertical thick-wall light guide plate 12 diffuses the light rays through the patterned optical surface 121 at the right side, and reflects / refracts the diffused light rays to the patterned optical surface 121 at the left side, thereby realizing the surface light emission ambient light function; at the same time, part of the light rays enter the transverse thick-wall light guide part 11, and the light rays are emitted from the first exit optical surface 111 of the transverse thick-wall light guide part 11 after passing through the transverse thick-wall light guide part 11, thereby realizing other lamp function light, such as turn, brake and position function light, i.e. realizing the light emission effect of other lamp functions.

[0024] In the embodiment, the thick-wall light guide 1 is in T shape or T-like shape, so that the thick-wall light guide 1 can divide the light rays reflected and collimated by the reflector 3 into horizontal light rays and vertical light rays.

[0025] The right side of the ambient light thick-wall light guide part 13 is flush with the right side of the transverse thick-wall light guide part 11 and faces the reflector 3, so that the light rays can enter simultaneously. The right side of the ambient light thick-wall light guide part 13 and the right side of the transverse thick-wall light guide part 11 are both flat surfaces; or the right side of the ambient light thick-wall light guide part 13 and the right side of the transverse thick-wall light guide part 11 are both provided with a plurality of vertically continuous light-entrance protrusions used for increasing the uniformity of the entering light, and the light-entrance protrusions can scatter the entering light rays, i.e. the light rays are received by different surfaces of the light-entrance protrusions to refract after entering the ambient light thick-wall light guide part 13 and the transverse thick-wall light guide part 11, thereby achieving the purpose of scattering the light to improve the uniformity of the light.

[0026] The first reflecting optical surface 131 is a reflecting plane, and an electroplated aluminum reflecting layer is plated on the reflecting plane.

[0027] The first exit optical surface 111 comprises a plurality of convex blocks 101 arranged in an array and having convex arc surfaces, each row of convex blocks 101 is arranged in a stepped manner, and each column of convex blocks 101 is also arranged in a stepped manner, which can achieve an excellent diffusion effect and greatly enhance the light emitting uniformity.

[0028] The patterned optical surface 121 comprises a plurality of grooves 102 arranged in an array on the right side surface of the vertical thick-walled light guide plate 12 and a reflecting layer arranged on the right side surface of the vertical thick-walled light guide plate 12, and the reflecting layer extends to the groove wall of the grooves 102, which can effectively diffuse and reflect light.

[0029] A plurality of reflecting mirrors 3 are connected together to form an integral whole, and each reflecting mirror 3 corresponds to a light source 2.

[0030] The light source 2 is an LED light source.

[0031] The reflecting surface of the reflecting mirror 3 is a smooth arc surface, or the reflecting surface of the reflecting mirror 3 is an arc-shaped groove formed by a plurality of reflecting facets, and the reflecting effect is better.

[0032] In summary, the thick-walled light guide member 1 in the utility model can divide the light reflected and collimated by the reflecting mirror 3 into horizontal light and vertical light, the vertical light realizes the atmosphere lamp function of surface light emitting after being diffused by the patterned optical surface 121 of the vertical thick-walled light guide plate 12, and the horizontal light realizes the composite main function (such as turning, braking and position functions) after being diffused by the patterned refraction of the first exit optical surface 111, that is, the utility model realizes two functions by the same set of light source and optical structure of the thick-walled light guide member 1, saves the space of the lamp and reduces the material cost of the lamp.

[0033] Of course, the above only describes specific embodiments of the utility model, and does not limit the utility model implementation range, and equivalent changes or modifications made according to the structure, features and principles of the utility model patent application scope should be included in the utility model patent application scope.

Claims

1. A thick-wall light guide structure for realizing a surface light emitting atmosphere lamp and other lamp functions, comprising a thick-wall light guide member (1), a light source (2), and a reflector (3) disposed below the light source (2) and beside the thick-wall light guide member (1) and used for reflecting light emitted by the light source (2) to the thick-wall light guide member (1). characterized in that The thick-wall light guide member (1) comprises a transverse thick-wall light guide portion (11), a vertical thick-wall light guide plate (12) integrally formed at a lower end of the transverse thick-wall light guide portion (11) and used for realizing surface light emission, and an atmosphere lamp thick-wall light guide portion (13) integrally formed at an upper end of the transverse thick-wall light guide portion (11) and protruding upward, a first light exit optical surface (111) for realizing other lamp functions is disposed at a left side of the transverse thick-wall light guide portion (11), a first reflective optical surface (131) is disposed at a left side of the atmosphere lamp thick-wall light guide portion (13) and is inclinedly distributed, the first reflective optical surface (131) is located above the vertical thick-wall light guide plate (12) and is used for refracting / reflecting light entering the atmosphere lamp thick-wall light guide portion (13) to the vertical thick-wall light guide plate (12), a pattern optical surface (121) for reflecting and refracting the entering light to the left side is disposed at a right side of the vertical thick-wall light guide plate (12), and a left side of the vertical thick-wall light guide plate (12) serves as an atmosphere lamp light exit surface (120).

2. A thick walled light guide structure for implementing a face-emitting ambient light with other light functions according to claim 1, characterized in that: The thick-wall light guide member (1) is in a T shape or a T-like shape.

3. A thick walled light guide structure to implement a surface emitting light ambience lamp with other lamp functions according to claim 1, characterized in that: A right side of the atmosphere lamp thick-wall light guide portion (13) is flush with a right side of the transverse thick-wall light guide portion (11) and faces the reflector (3).

4. A thick walled light guide structure to implement a surface emitting light ambience lamp with other lamp functions according to claim 3, characterized in that: The right side of the atmosphere lamp thick-wall light guide portion (13) and the right side of the transverse thick-wall light guide portion (11) are both flat surfaces; or, the right side of the atmosphere lamp thick-wall light guide portion (13) and the right side of the transverse thick-wall light guide portion (11) are both provided with a plurality of vertically and continuously distributed light entering protrusions for increasing light entering uniformity.

5. A thick walled light guide structure for implementing a face-emitting ambient light with other light functions according to any one of claims 1-4, characterized in that: The first reflective optical surface (131) is a reflective plane on which an electroplated aluminum reflective layer is plated; or, the first reflective optical surface (131) is a plurality of inclined and continuously distributed total reflection tooth groove surfaces on which an electroplated aluminum reflective layer is plated.

6. A thick walled light guide structure for implementing a face-emitting ambient light with other light functions according to any one of claims 1-4, characterized in that: The first light exit optical surface (111) comprises a plurality of protrusions (101) which are arrayed and have convex arc-shaped outer surfaces, each row of protrusions (101) is distributed in a stepped manner, and each column of protrusions (101) is also distributed in a stepped manner.

7. A thick walled light guide structure for implementing a face-emitting ambient light with other light functions according to any one of claims 1-4, characterized in that: The pattern optical surface (121) comprises a plurality of recesses (102) which are arrayed and disposed at the right side of the vertical thick-wall light guide plate (12) and a reflective layer which is disposed at the right side of the vertical thick-wall light guide plate (12) and extends to the groove walls of the recesses (102).

8. A thick walled light guide structure for implementing a face-emitting ambient light with other light functions according to any one of claims 1-4, characterized in that: A plurality of reflectors (3) are connected together to form a whole, and each reflector (3) corresponds to one light source (2).

9. A thick walled light guide structure for implementing a face-emitting ambient light with other light functions according to any one of claims 1-4, characterized in that: The light source (2) is an LED light source.

10. A thick walled light guide structure for implementing a face-emitting ambient light with other light functions according to any one of claims 1-4, characterized in that: A reflective surface of the reflector (3) is a smooth arc-shaped surface; or, the reflective surface of the reflector (3) is an arc-shaped groove formed by a plurality of reflective facets.

Images